M1340-aQ120-H
UV Acousto-Optic Modulator/Deflector
The M1340-aQ120 is high efficiency AO modulator developed specifically for industrial 343/355nm laser applications
including:
l Material Processing l Drilling l Surface texturing l Micro machining
SPECIFICATIONS
Operating Wavelength:
343nm, 355nm
Interaction Material:
Quartz
Centre Frequency (fc):
120MHz
RF Bandwidth:
20MHz
Diffraction Efficiency at fc:
85% minimum, 90% typ’
Input Impedance:
50Ω(Nominal)
Input VSWR:
<1.5:1 @ 120MHz
Active Aperture,H:
H=3, 3mm
H=5, 5mm
H=7, 7mm
Optical Insertion Loss:
<3% (<2% typical)
Reflectivity:
<0.5%/Surface
DC Contrast Ratio:
>1000:1 min (2000:1 typical)
Laser Polarization:
Vertical, Perpendicular to scan
Water Cooling (Min):
2L/minute @ 25deg C
PERFORMANCE vs. WAVELENGTH
Wavelength:
343nm
355nm
RF Drive Power,
H=3mm: <5.6W < 6W
H=5mm <9.5W <10W
H=7mm < 13W <14W
<5.6W
<9.5W
< 13W
< 6W
<10W
<14W
Bragg Angle:
3.6mrad
3.74mrad
Separation Angle (at fc):
7.2mrad
7.47mrad
PERFORMANCE vs. BEAM DIAMETER
Beam Diameter (mm):
5.0
3.0
Optical Rise time (nsec):
570
227
Video Bandwidth (MHz):
0.7
1.5
RF Drive Electronics
RFA2120 (water cooled), RFA910-120 (air cooled), RFJ120-1-15 (conduction cooled)
OUTLINE DRAWING
Water cooled case parts are made from Aluminium.
Copper alternative is available as an option
商品属性 [波长] 343nm, 355nm [活跃孔径] H=3, 3mm H=5, 5mm H=7, 7mm [光学材料] Quartz